The document is a revision quiz for AQA Biology Unit 2 Chapter 15, focusing on evidence for relationships between organisms. It includes questions on DNA hybridization, techniques to compare proteins, and the importance of courtship behavior. The quiz consists of 12 points and assesses knowledge on key biological concepts.

1. AS AQA Biology
UNIT 2
Chapter 15 Revision Quiz
Evidence for relationships
between organisms
Total: ___ / 12
___ %

2. 1. What two pieces of evidence can we look at to determine
how closely related species are? (2)
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2. How does DNA hybridisation work? (5)
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3. Give an example of how this technique has been used to
reclassify organisms (1)
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4. What technique is used to compare proteins of different
species? (1)
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3. 5. Give three reasons why courtship behaviour is necessary
(3)
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